Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung dua voi snippets" » "dung dua code snippets", "dung cua voi snippets", "dung du voi snippets", "dung qua voi snippets", "dung da voi snippets", "dung dua moi snippets", "dung sua voi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung dua voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dua voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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